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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.fd.hc2vpp.lisp.gpe.translate.service;
import static com.google.common.base.Preconditions.checkState;
import static io.fd.honeycomb.translate.util.read.cache.EntityDumpExecutor.NO_PARAMS;
import com.google.inject.Inject;
import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
import io.fd.hc2vpp.common.translate.util.JvppReplyConsumer;
import io.fd.honeycomb.translate.read.ReadContext;
import io.fd.honeycomb.translate.read.ReadFailedException;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager;
import io.fd.honeycomb.translate.util.read.cache.DumpCacheManager.DumpCacheManagerBuilder;
import io.fd.honeycomb.translate.write.WriteContext;
import io.fd.vpp.jvpp.core.dto.ShowLispStatus;
import io.fd.vpp.jvpp.core.dto.ShowLispStatusReply;
import io.fd.vpp.jvpp.core.future.FutureJVppCore;
import javax.annotation.Nonnull;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170801.Gpe;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170801.GpeState;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170801.gpe.feature.data.grouping.GpeFeatureData;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.gpe.rev170801.gpe.feature.data.grouping.GpeFeatureDataBuilder;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
public final class GpeStateCheckServiceImpl implements GpeStateCheckService, JvppReplyConsumer, ByteDataTranslator {
private static final GpeFeatureData DISABLED_GPE = new GpeFeatureDataBuilder().build();
private static final InstanceIdentifier<GpeFeatureData>
GPE_FEATURE_CONFIG_ID = InstanceIdentifier.create(Gpe.class)
.child(GpeFeatureData.class);
private static final InstanceIdentifier<GpeFeatureData>
GPE_FEATURE_STATE_ID = InstanceIdentifier.create(GpeState.class).child(GpeFeatureData.class);
private static final ShowLispStatusReply DEFAULT_REPLY = new ShowLispStatusReply();
private final DumpCacheManager<ShowLispStatusReply, Void> dumpCacheManager;
@Inject
public GpeStateCheckServiceImpl(@Nonnull final FutureJVppCore api) {
dumpCacheManager = new DumpCacheManagerBuilder<ShowLispStatusReply, Void>()
.acceptOnly(ShowLispStatusReply.class)
.withExecutor((identifier, params) -> getReplyForRead(
api.showLispStatus(new ShowLispStatus()).toCompletableFuture(), identifier))
.build();
}
@Override
public void checkGpeEnabledBefore(@Nonnull final WriteContext writeContext) {
checkState(writeContext.readBefore(GPE_FEATURE_CONFIG_ID).or(DISABLED_GPE).isEnable(),
"Gpe feature is disabled");
}
@Override
public void checkGpeEnabledAfter(@Nonnull final WriteContext writeContext) {
checkState(writeContext.readAfter(GPE_FEATURE_CONFIG_ID).or(DISABLED_GPE).isEnable(),
"Gpe feature is disabled");
}
@Override
public boolean isGpeEnabled(@Nonnull final ReadContext readContext) {
try {
return byteToBoolean(
dumpCacheManager.getDump(GPE_FEATURE_STATE_ID, readContext.getModificationCache(), NO_PARAMS)
.or(DEFAULT_REPLY).gpeStatus);
} catch (ReadFailedException e) {
throw new IllegalStateException("Unable to read Gpe feature status", e);
}
}
}
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